/*
 * File    : UDPURLConnection.java
 * Created : 19-Jan-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.core3.util.protocol.vuze;

/**
 * @author parg
 *
 */

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.gudy.azureus2.core3.util.Constants;

import com.aelitis.azureus.core.vuzefile.VuzeFile;
import com.aelitis.azureus.core.vuzefile.VuzeFileHandler;

class VuzeURLConnection extends HttpURLConnection {
    private URL url;

    private int response_code = HTTP_OK;
    private String response_msg = "OK";

    private InputStream input_stream;
    private Map<String, List<String>> headers = new HashMap<String, List<String>>();

    VuzeURLConnection(URL u) {
        super(u);

        url = u;
    }

    public void connect() throws IOException {
        String str = url.toExternalForm();

        int pos = str.indexOf("=");

        str = str.substring(pos + 1);

        byte[] bytes = str.getBytes(Constants.BYTE_ENCODING);

        VuzeFile vf = VuzeFileHandler.getSingleton().loadVuzeFile(bytes);

        if (vf == null) {

            throw (new IOException("Invalid vuze file"));
        }

        input_stream = new ByteArrayInputStream(bytes);
    }

    public Map<String, List<String>> getHeaderFields() {
        return (headers);
    }

    public String getHeaderField(String name) {
        List<String> values = headers.get(name);

        if (values == null || values.size() == 0) {

            return (null);
        }

        return (values.get(values.size() - 1));
    }

    public void setHeaderField(String name, String value) {
        List<String> values = headers.get(name);

        if (values == null) {

            values = new ArrayList<String>();

            headers.put(name, values);
        }

        values.add(value);
    }

    public InputStream getInputStream()

    throws IOException {
        if (input_stream == null) {

            connect();
        }

        return (input_stream);
    }

    public void setResponse(int _code, String _msg) {
        response_code = _code;
        response_msg = _msg;
    }

    public int getResponseCode() {
        return (response_code);
    }

    public String getResponseMessage() {
        return (response_msg);
    }

    public boolean usingProxy() {
        return (false);
    }

    public void disconnect() {
    }
}
